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System Administrator applied linux 5 patch and kernel upgrade now can't see Oracle ASM diskgroups

After the System Administrator upgrade the kernel and applied linux patch I am unable to restart all the oracle software. I noticed that the raw ASM diskgroups are no longer visible when i do a fdisk -l what step am I missing or the SA in order to make the diskgroups visible

The database is 11.2.0.3 RAC with 3 nodes

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David

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MikeOM_DBA

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sikyala

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the SA reverted back to an earlier version of the OS kernel by changing a number in a file to 1. Now I am able to start asm and the database. However, having the later version of the kernel is needed for hardening purposes. I found a version of the kernel in oracle for asmlib. should I upgrade the asmlib kernel?

sikyala

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the version was 2.6.18-274 and it was upgraded to 2.6.18-371

sikyala

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2.6.18-274.7.1.e15 is what it is currently running

sikyala

ASKER

2.6.18-371.9.1.e15 is what the kernel was upgraded to

sikyala

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The SA changed the default value to 1 so that the server would boot with the 2.6.18-274.7.1.e15 kernel